diff --git a/Lotto_Wpf/Lotto_Wpf/MainWindow.xaml b/Lotto_Wpf/Lotto_Wpf/MainWindow.xaml
index f728ebb..eedd2f6 100644
--- a/Lotto_Wpf/Lotto_Wpf/MainWindow.xaml
+++ b/Lotto_Wpf/Lotto_Wpf/MainWindow.xaml
@@ -35,6 +35,7 @@
         </StackPanel>
 
         <x:Code>
+            <![CDATA[
             using System;
             using System.Collections.Generic;
             using System.Linq;